Detent mechanism for wire-stretchers.



F. O. GREEN.

DETENT MECHANISM FOR WiRE STRETCHERS.

APPLICATION FILED MAYZ, x917.

1,267,5QQ Patented May 98,1918.

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; Specification of Letters Patent. Patented Diary 28, 1918.

Applicationifiled May 2, 1917. Serial N 0. 165,898.

To all whom it may concern. 1 t f Be it known that I, FRED O. GREEN, a citizen of theUnited States, residing at Lubbeck, in the county of Lubbock, State of Texas, have invented certain new and useful Improvements in Detent Mechanisms for Wire-Stretchers; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to improvements in wire stretchers.

One object of the present invention is to provide a wire stretcher which is of such construction that it can be conveniently carried about by a person.

Another object is to provide a device of this character which is simple in construction and which can be manufactured at a comparatively low figure.

Another object is to provide a device of this character which is readily capable of stretching fence wires either at the posts or in the middle of the wires.

Other objects and advantages will be apparent from the following description when taken in connection with the accompanying drawing.

In the drawing:

Figure 1 is an elevation of my improved wire stretcher in position for stretching a wire at the post.

Fig. 2 is an elevation of the device when stretching a wire in the middle to take up slack.

Fig. 3 is an enlarged side elevation of the device.

Fig. 4 is a top plan view of the device.

1 1g. 5 is a transverse sectional view taken on the line 55 of Fig. 4.

Referring particularly to the accompanying drawing 10 represents a pair of plates disposed in vertical spaced parallel relation, and each formed with a central opening 11. Disposed between these plates and provided with a shaft which is rotatably supported in said openings, is a drum or spool 12, the shaft being represented at 13. One end of this shaft is square in cross section, as indicated at 14, and on this end is engaged a cross bar 15, which has its ends turned outwardly at right angles from the bar, and in parallel relation to each other, as clearly shown at 16. Formed in the plate 10, adjacent the cross bar, and in a cirtnilar line concentric with the shaft, is a series of-epe'nmgs 17, in which is engaged the beveled nose 18 of a pivoted pawl 19,

.carried by the inner face of the bar. A fiat 'or leaf spring 19 is secured to the outer face of the bar and bears in one or the other of the notches 28 or 29 formed in the outer face of the pawl. The nose of the pawl is disposed through an opening 20 formed through the bar. When the spring is disposed in the notch 28 the nose of the pawl is held in engagement with the openings 17 in the member 10, and when in engagement with the notch 29 the pawl is held out of engagement with the openings 17 whereby the drum will be free to turn in either direction.

Secured to the upper and lower edge portions of the plates 10, and extending from the ends thereof, in convergent relation, are the rods 21, their ends being formed respectively into upwardly and downwardly turned loops 22, which together form elongated rings. The ends of the rods, adjacent the loops or rings, are secured together by means of the plates 23. Secured to the drum or spool, and adapted to be wound in reverse relation thereon, are two chains 24 and 25, the outer ends of which are provided with the wire clamps 26 and 27, respectively. It will be noted that the chains pass through the rings.

From the foregoing, and an inspection of Figs. 1 and 2, of the drawing, it will readily be seen that when the clamps are engaged with the portions of the fence wire A, at opposite sides of the center thereof, rotation of the cross bar 15 will wind in the chains and draw the portions of the wire together. The wire can then be twisted together to take up the slack, or a portion of the wire cut out and the ends properly tied together. 1

In the view illustrated in Fig. l, the chain 24 is engaged around the post B, and the clamp at the end of the chain 25 engaged with the end of the wire to be stretched, whereupon the cross bar is turned to wind the chains on the drum with the result that the wire will be tightly drawn toward the What is claimed is:

A wire stretcher including a frame having a circular series of openings, a drum mounted in the frame and having a transverse bar mounted on one end exteriorly of the frame, said bar being formed Withan of the notches at times to hold the angle opening arranged for successive registration memher in one of' theseries ofopenin'gs and with the series of opening, a'pirfotedan'gle' the o'ther'iio'teh to hold the member out member mounted onythe' barand engaging ofsuch-engagement. A 7 through the opening of the bar and one of 111 testimony whereof, I affix my signa- 15 the'jopenings of the frame; said angle memture, inthe presence of two Witnesses.

her having a pair of nqt ohes in the ou ter FRED OI GREEN. face thereof and at opposite -sidesof the 'Wibne'sesr pivot thereof, and a leaf spring carried by J. E. Mrrnrnm 1 the bar and arranged tdheengagedinone MAZEILE NEwobm.

Copies of thisparenb may be obtainefifor five icente'eaeh by adfl'reeing the -'=Ubmmissi0ner or" meme.

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